Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {7, 8, 25, 13, 19, 9} → ______
- Prime numbers in {7, 15, 9, 5, 3, 29} → ______
- Prime numbers in {17, 2, 23, 21, 11, 7} → ______
- Prime numbers in {19, 17, 29, 3, 25, 15} → ______
- Prime numbers in {9, 8, 15, 7, 2, 21} → ______
- Prime numbers in {9, 29, 3, 13, 19, 7} → ______
- Prime numbers in {15, 7, 9, 8, 12, 2} → ______
- Prime numbers in {7, 3, 2, 5, 25, 21} → ______
- Prime numbers in {12, 3, 19, 5, 23, 27} → ______
- Prime numbers in {25, 8, 7, 5, 23, 9} → ______
- Prime numbers in {29, 23, 9, 13, 11, 3} → ______
- Prime numbers in {9, 23, 7, 29, 19, 15} → ______
- Prime numbers in {9, 2, 15, 5, 8, 3} → ______
- Prime numbers in {11, 9, 29, 2, 25, 12} → ______
- Prime numbers in {17, 7, 25, 27, 15, 12} → ______
- Prime numbers in {9, 11, 27, 23, 5, 29} → ______
- Prime numbers in {29, 15, 8, 19, 25, 23} → ______
- Prime numbers in {27, 11, 23, 21, 9, 25} → ______
- Prime numbers in {3, 11, 7, 8, 23, 2} → ______
- Prime numbers in {25, 17, 29, 11, 15, 7} → ______